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101908984620004 = 2250474992
BaseRepresentation
bin10111001010111110001000…
…110100111110001111100100
3111100211101220100200000121221
4113022332020310332033210
5101324134100030320004
61000424201412150124
730315452432525242
oct2712761064761744
9440741810600557
10101908984620004
112a5203a3068951
12b51a788908344
1344b2c8c3c4583
141b245c79b1792
15bbad47202354
hex5caf88d3e3e4

101908984620004 has 9 divisors (see below), whose sum is σ = 178340758417507. Its totient is φ = 50954482215004.

The previous prime is 101908984619983. The next prime is 101908984620011. The reversal of 101908984620004 is 400026489809101.

The square root of 101908984620004 is 10094998.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1019089846200042 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17666247 + ... + 22713745.

Almost surely, 2101908984620004 is an apocalyptic number.

101908984620004 is the 10094998-th square number.

It is an amenable number.

101908984620004 is a deficient number, since it is larger than the sum of its proper divisors (76431773797503).

101908984620004 is an frugal number, since it uses more digits than its factorization.

101908984620004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095002 (or 5047501 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 101908984620004 in words is "one hundred one trillion, nine hundred eight billion, nine hundred eighty-four million, six hundred twenty thousand, four".

Divisors: 1 2 4 5047499 10094998 20189996 25477246155001 50954492310002 101908984620004