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40006674100 = 2252400066741
BaseRepresentation
bin100101010000100101…
…010110011010110100
310211021010121121122101
4211100211112122310
51123413202032400
630213453511444
72614255055551
oct452045263264
9124233547571
1040006674100
1115a6a7a7428
1279061a2584
133a0757b333
141d17427a28
1510923a456a
hex9509566b4

40006674100 has 18 divisors (see below), whose sum is σ = 86814483014. Its totient is φ = 16002669600.

The previous prime is 40006674049. The next prime is 40006674101. The reversal of 40006674100 is 147660004.

It can be written as a sum of positive squares in 3 ways, for example, as 17073424 + 39989600676 = 4132^2 + 199974^2 .

It is a super-2 number, since 2×400066741002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40006674101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200033271 + ... + 200033470.

Almost surely, 240006674100 is an apocalyptic number.

It is an amenable number.

40006674100 is an abundant number, since it is smaller than the sum of its proper divisors (46807808914).

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

40006674100 is a wasteful number, since it uses less digits than its factorization.

40006674100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400066755 (or 400066748 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 40006674100 in words is "forty billion, six million, six hundred seventy-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 400066741 800133482 1600266964 2000333705 4000667410 8001334820 10001668525 20003337050 40006674100