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17442672020 = 225872133601
BaseRepresentation
bin10000001111101010…
…100000110110010100
31200000121110112202122
4100033222200312110
5241210311001040
612002452555112
71155150160124
oct201752406624
950017415678
1017442672020
117440a2a724
123469622a98
13184c925807
14bb67d0c84
156c14b91b5
hex40faa0d94

17442672020 has 12 divisors (see below), whose sum is σ = 36629611284. Its totient is φ = 6977068800.

The previous prime is 17442672019. The next prime is 17442672041. The reversal of 17442672020 is 2027624471.

It can be written as a sum of positive squares in 2 ways, for example, as 13231440784 + 4211231236 = 115028^2 + 64894^2 .

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, 436066781 + ... + 436066820.

It is an arithmetic number, because the mean of its divisors is an integer number (3052467607).

Almost surely, 217442672020 is an apocalyptic number.

17442672020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17442672020 is an abundant number, since it is smaller than the sum of its proper divisors (19186939264).

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

17442672020 is a wasteful number, since it uses less digits than its factorization.

17442672020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872133610 (or 872133608 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 17442672020 in words is "seventeen billion, four hundred forty-two million, six hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 20 872133601 1744267202 3488534404 4360668005 8721336010 17442672020