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30036045156942 = 231131167227387253
BaseRepresentation
bin1101101010001010011111…
…10011010101001001001110
310221100102021122000110012210
412311011033303111021032
512414102310030010232
6143514211344011250
76220014125230266
oct665051763251116
9127312248013183
1030036045156942
1196302404a8a60
12345122a900b26
13139b505050c96
1475ba765da7a6
1537148e4aa5cc
hex1b514fcd524e

30036045156942 has 128 divisors (see below), whose sum is σ = 68352202211328. Its totient is φ = 8716887619200.

The previous prime is 30036045156941. The next prime is 30036045156977. The reversal of 30036045156942 is 24965154063003.

It is a junction number, because it is equal to n+sod(n) for n = 30036045156891 and 30036045156900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30036045156941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77368188 + ... + 77755440.

It is an arithmetic number, because the mean of its divisors is an integer number (534001579776).

Almost surely, 230036045156942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30036045156942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34176101105664).

30036045156942 is an abundant number, since it is smaller than the sum of its proper divisors (38316157054386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30036045156942 is a wasteful number, since it uses less digits than its factorization.

30036045156942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387694.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 30036045156942 in words is "thirty trillion, thirty-six billion, forty-five million, one hundred fifty-six thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 167 186 227 334 341 454 501 681 682 1002 1023 1362 1837 2046 2497 3674 4994 5177 5511 7037 7491 10354 11022 14074 14982 15531 21111 31062 37909 42222 56947 75818 77407 113727 113894 154814 170841 227454 232221 341682 387253 416999 464442 774506 833998 1161759 1175179 1250997 2323518 2350358 2501994 3525537 4259783 7051074 8519566 12004843 12779349 12926969 24009686 25558698 25853938 36014529 38780907 64671251 72029058 77561814 87906431 129342502 132053273 175812862 194013753 263719293 264106546 388027506 396159819 527438586 711383761 792319638 966970741 1422767522 1933941482 2004808781 2134151283 2725099361 2900912223 4009617562 4268302566 5450198722 5801824446 6014426343 8175298083 12028852686 14680373977 16350596166 22052896591 29360747954 29976092971 44041121931 44105793182 59952185942 66158689773 88082243862 89928278913 132317379546 161484113747 179856557826 322968227494 455091593287 484452341241 910183186574 968904682482 1365274779861 2730549559722 5006007526157 10012015052314 15018022578471 30036045156942