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30213254124552 = 23331127319757579
BaseRepresentation
bin1101101111010100100100…
…10001111001010000001000
310221222100200121221201210110
412313222102101321100020
512430003221023441202
6144131435523114320
76235556413501602
oct667522221712010
9127870617851713
1030213254124552
1196994073281a4
12347b6458129a0
1313b2136687c75
14766487868172
15375db1b4b26c
hex1b7a92479408

30213254124552 has 64 divisors (see below), whose sum is σ = 78583622860800. Its totient is φ = 9669469158720.

The previous prime is 30213254124499. The next prime is 30213254124553. The reversal of 30213254124552 is 25542145231203.

It is a self number, because there is not a number n which added to its sum of digits gives 30213254124552.

It is not an unprimeable number, because it can be changed into a prime (30213254124553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159784302 + ... + 159973277.

It is an arithmetic number, because the mean of its divisors is an integer number (1227869107200).

Almost surely, 230213254124552 is an apocalyptic number.

It is an amenable number.

30213254124552 is an abundant number, since it is smaller than the sum of its proper divisors (48370368736248).

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

30213254124552 is a wasteful number, since it uses less digits than its factorization.

30213254124552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319757746 (or 319757742 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 30213254124552 its reverse (25542145231203), we get a palindrome (55755399355755).

The spelling of 30213254124552 in words is "thirty trillion, two hundred thirteen billion, two hundred fifty-four million, one hundred twenty-four thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 127 186 248 254 372 381 508 744 762 1016 1524 3048 3937 7874 11811 15748 23622 31496 47244 94488 319757579 639515158 959272737 1279030316 1918545474 2558060632 3837090948 7674181896 9912484949 19824969898 29737454847 39649939796 40609212533 59474909694 79299879592 81218425066 118949819388 121827637599 162436850132 237899638776 243655275198 324873700264 487310550396 974621100792 1258885588523 2517771177046 3776656765569 5035542354092 7553313531138 10071084708184 15106627062276 30213254124552