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172076825076 = 2231319538110789
BaseRepresentation
bin1010000001000010010…
…0111111100111110100
3121110011022220102112120
42200100210333213310
510304403131400301
6211015003315540
715301136610522
oct2402044774764
9543138812476
10172076825076
1166a82977632
122942421bbb0
13132c42bc670
14848580d312
154721d35e36
hex281093f9f4

172076825076 has 96 divisors (see below), whose sum is σ = 455282755200. Its totient is φ = 50146076160.

The previous prime is 172076825051. The next prime is 172076825101. The reversal of 172076825076 is 670528670271.

It is an interprime number because it is at equal distance from previous prime (172076825051) and next prime (172076825101).

It is a super-2 number, since 2×1720768250762 (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 15943890 + ... + 15954678.

It is an arithmetic number, because the mean of its divisors is an integer number (4742528700).

Almost surely, 2172076825076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172076825076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227641377600).

172076825076 is an abundant number, since it is smaller than the sum of its proper divisors (283205930124).

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

172076825076 is a wasteful number, since it uses less digits than its factorization.

172076825076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209 (or 16207 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 172076825076 in words is "one hundred seventy-two billion, seventy-six million, eight hundred twenty-five thousand, seventy-six".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 5381 10762 10789 16143 21524 21578 32286 32367 43156 64572 64734 69953 102239 129468 139906 140257 204478 204991 209859 279812 280514 306717 408956 409982 419718 420771 561028 613434 614973 819964 839436 841542 1226868 1229946 1329107 1683084 2459892 2658214 2664883 3987321 5316428 5329766 7974642 7994649 10659532 15949284 15989298 31978596 58055609 116111218 174166827 232222436 348333654 696667308 754722917 1103056571 1509445834 2206113142 2264168751 3018891668 3309169713 4412226284 4528337502 6618339426 9056675004 13236678852 14339735423 28679470846 43019206269 57358941692 86038412538 172076825076