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138802884217372 = 2253654730585931
BaseRepresentation
bin11111100011110110010000…
…100110111000101000011100
3200012110102111122200212001101
4133203312100212320220130
5121143121301324423442
61211113055325122444
741144114603031034
oct3743662046705034
9605412448625041
10138802884217372
1140254a77614381
1213698b190b9424
135c5b09582babb
14263c149c6a8c4
15110a8acb23cb7
hex7e3d909b8a1c

138802884217372 has 12 divisors (see below), whose sum is σ = 247488161482296. Its totient is φ = 68091980936720.

The previous prime is 138802884217297. The next prime is 138802884217391. The reversal of 138802884217372 is 273712488208831.

It is a super-2 number, since 2×1388028842173722 (a number of 29 digits) contains 22 as substring.

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, 327365292754 + ... + 327365293177.

It is an arithmetic number, because the mean of its divisors is an integer number (20624013456858).

Almost surely, 2138802884217372 is an apocalyptic number.

It is an amenable number.

138802884217372 is a deficient number, since it is larger than the sum of its proper divisors (108685277264924).

138802884217372 is a wasteful number, since it uses less digits than its factorization.

138802884217372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654730585988 (or 654730585986 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 138802884217372 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred eighty-four million, two hundred seventeen thousand, three hundred seventy-two".

Divisors: 1 2 4 53 106 212 654730585931 1309461171862 2618922343724 34700721054343 69401442108686 138802884217372