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528968939938 = 213910141187631
BaseRepresentation
bin1111011001010010000…
…00010111100110100010
31212120100202101100002221
413230221000113212202
532131312022034223
61043001024101254
753134225542235
oct7545100274642
91776322340087
10528968939938
111943751a387a
128662676482a
133ab5ca1c35a
141b86075741c
15db5de92b5d
hex7b290179a2

528968939938 has 16 divisors (see below), whose sum is σ = 799244772480. Its totient is φ = 262554411600.

The previous prime is 528968939929. The next prime is 528968939951. The reversal of 528968939938 is 839939869825.

It is a tetranacci number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2725383 + ... + 2913013.

It is an arithmetic number, because the mean of its divisors is an integer number (49952798280).

Almost surely, 2528968939938 is an apocalyptic number.

528968939938 is a deficient number, since it is larger than the sum of its proper divisors (270275832542).

528968939938 is a wasteful number, since it uses less digits than its factorization.

528968939938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197913.

The product of its digits is 1813985280, while the sum is 79.

The spelling of 528968939938 in words is "five hundred twenty-eight billion, nine hundred sixty-eight million, nine hundred thirty-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 139 278 10141 20282 187631 375262 1409599 2819198 26080709 52161418 1902765971 3805531942 264484469969 528968939938