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402051980711936 = 211244780226581
BaseRepresentation
bin101101101101010100000010…
…1011111011101100000000000
31221201112210102210222201201002
41123122220011133131200000
5410144204424030240221
63543032044035031132
7150454203612122462
oct13332500537354000
91851483383881632
10402051980711936
11107119318702745
123911444aa3b4a8
1314345454004b29
14713d5c3902132
15317346480380b
hex16daa057dd800

402051980711936 has 48 divisors (see below), whose sum is σ = 804236184853920. Its totient is φ = 200943835832320.

The previous prime is 402051980711923. The next prime is 402051980711957. The reversal of 402051980711936 is 639117089150204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35101835 + ... + 45124746.

It is an arithmetic number, because the mean of its divisors is an integer number (16754920517790).

It is a 1-persistent number, because it is pandigital, but 2⋅402051980711936 = 804103961423872 is not.

Almost surely, 2402051980711936 is an apocalyptic number.

It is an amenable number.

402051980711936 is an abundant number, since it is smaller than the sum of its proper divisors (402184204141984).

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

402051980711936 is an equidigital number, since it uses as much as digits as its factorization.

402051980711936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80229050 (or 80229030 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 402051980711936 in words is "four hundred two trillion, fifty-one billion, nine hundred eighty million, seven hundred eleven thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 2447 4894 9788 19576 39152 78304 156608 313216 626432 1252864 2505728 5011456 80226581 160453162 320906324 641812648 1283625296 2567250592 5134501184 10269002368 20538004736 41076009472 82152018944 164304037888 196314443707 392628887414 785257774828 1570515549656 3141031099312 6282062198624 12564124397248 25128248794496 50256497588992 100512995177984 201025990355968 402051980711936