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103496211978 = 2371923990777
BaseRepresentation
bin110000001100011011…
…0101101111000001010
3100220010211101022110020
41200120312231320022
53143430012240403
6115313455001310
710322506200225
oct1403066557012
9326124338406
10103496211978
113a98aa05995
1218084809236
1399b4c50b23
14501b5145bc
152a5b149453
hex1818dade0a

103496211978 has 16 divisors (see below), whose sum is σ = 207280321920. Its totient is φ = 34450754336.

The previous prime is 103496211971. The next prime is 103496211991. The reversal of 103496211978 is 879112694301.

It is a super-2 number, since 2×1034962119782 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103496211978.

It is not an unprimeable number, because it can be changed into a prime (103496211971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11991075 + ... + 11999702.

It is an arithmetic number, because the mean of its divisors is an integer number (12955020120).

Almost surely, 2103496211978 is an apocalyptic number.

103496211978 is an abundant number, since it is smaller than the sum of its proper divisors (103784109942).

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

103496211978 is a wasteful number, since it uses less digits than its factorization.

103496211978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991501.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 103496211978 in words is "one hundred three billion, four hundred ninety-six million, two hundred eleven thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 719 1438 2157 4314 23990777 47981554 71972331 143944662 17249368663 34498737326 51748105989 103496211978