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101129782752 = 25322912108451
BaseRepresentation
bin101111000101111001…
…1100000010111100000
3100200000220112020211100
41132023303200113200
53124103211022002
6114243002114400
710210042653525
oct1361363402740
9320026466740
10101129782752
1139986142659
12177241aba00
1396c88ba54b
144c7511314c
15296d50511c
hex178bce05e0

101129782752 has 72 divisors (see below), whose sum is σ = 297504665640. Its totient is φ = 32547513600.

The previous prime is 101129782739. The next prime is 101129782757. The reversal of 101129782752 is 257287921101.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 101129782698 and 101129782707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101129782757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6045874 + ... + 6062577.

It is an arithmetic number, because the mean of its divisors is an integer number (4132009245).

Almost surely, 2101129782752 is an apocalyptic number.

101129782752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101129782752 is an abundant number, since it is smaller than the sum of its proper divisors (196374882888).

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

101129782752 is a wasteful number, since it uses less digits than its factorization.

101129782752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12108496 (or 12108485 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 101129782752 in words is "one hundred one billion, one hundred twenty-nine million, seven hundred eighty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 144 174 232 261 288 348 464 522 696 928 1044 1392 2088 2784 4176 8352 12108451 24216902 36325353 48433804 72650706 96867608 108976059 145301412 193735216 217952118 290602824 351145079 387470432 435904236 581205648 702290158 871808472 1053435237 1162411296 1404580316 1743616944 2106870474 2809160632 3160305711 3487233888 4213740948 5618321264 6320611422 8427481896 11236642528 12641222844 16854963792 25282445688 33709927584 50564891376 101129782752