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42627626420 = 2253137679433
BaseRepresentation
bin100111101100110011…
…011111010110110100
311002000210101210022112
4213230303133112310
51144300133021140
631325521550152
73036231563141
oct475463372664
9132023353275
1042627626420
1117095202725
128317aa5358
134034578cb2
1420c55613c8
151197522c65
hex9eccdf5b4

42627626420 has 24 divisors (see below), whose sum is σ = 89546683464. Its totient is φ = 17045590016.

The previous prime is 42627626411. The next prime is 42627626423. The reversal of 42627626420 is 2462672624.

It can be written as a sum of positive squares in 4 ways, for example, as 25749979024 + 16877647396 = 160468^2 + 129914^2 .

It is a super-2 number, since 2×426276264202 (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 (42627626423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276977 + ... + 402456.

It is an arithmetic number, because the mean of its divisors is an integer number (3731111811).

Almost surely, 242627626420 is an apocalyptic number.

It is an amenable number.

42627626420 is an abundant number, since it is smaller than the sum of its proper divisors (46919057044).

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

42627626420 is a wasteful number, since it uses less digits than its factorization.

42627626420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682579 (or 682577 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 42627626420 in words is "forty-two billion, six hundred twenty-seven million, six hundred twenty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3137 6274 12548 15685 31370 62740 679433 1358866 2717732 3397165 6794330 13588660 2131381321 4262762642 8525525284 10656906605 21313813210 42627626420