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2690690046042 = 236771731291387
BaseRepresentation
bin100111001001111001100…
…111111101100001011010
3100112020010211000120210110
4213021321213331201122
5323041013122433132
65420030321425150
7365252544012465
oct47117147754132
910466124016713
102690690046042
1194812a426259
1237558279b1b6
13166966c795cb
14943315382dc
1549ecea801cc
hex272799fd85a

2690690046042 has 64 divisors (see below), whose sum is σ = 5614500455424. Its totient is φ = 859133278080.

The previous prime is 2690690046041. The next prime is 2690690046061. The reversal of 2690690046042 is 2406400960962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2690690045982 and 2690690046000.

It is not an unprimeable number, because it can be changed into a prime (2690690046041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437873 + ... + 2729259.

It is an arithmetic number, because the mean of its divisors is an integer number (87726569616).

Almost surely, 22690690046042 is an apocalyptic number.

2690690046042 is an abundant number, since it is smaller than the sum of its proper divisors (2923810409382).

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

2690690046042 is a wasteful number, since it uses less digits than its factorization.

2690690046042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291603.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 2690690046042 in words is "two trillion, six hundred ninety billion, six hundred ninety million, forty-six thousand, forty-two".

Divisors: 1 2 3 6 67 71 73 134 142 146 201 213 219 402 426 438 4757 4891 5183 9514 9782 10366 14271 14673 15549 28542 29346 31098 347261 694522 1041783 1291387 2083566 2582774 3874161 7748322 86522929 91688477 94271251 173045858 183376954 188542502 259568787 275065431 282813753 519137574 550130862 565627506 6143127959 6316173817 6693258821 12286255918 12632347634 13386517642 18429383877 18948521451 20079776463 36858767754 37897042902 40159552926 448448341007 896896682014 1345345023021 2690690046042