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10129704786720 = 2533547233277773
BaseRepresentation
bin1001001101101000000101…
…1101001001101100100000
31022212101112112200002222000
42103122001131021230200
52311431113411133340
633313304440444000
72063563346006451
oct223320135115440
938771475602860
1010129704786720
113255a902a9032
121177255779600
135862c4b19c2c
142703cd30d128
1512876bde0d30
hex93681749b20

10129704786720 has 768 divisors, whose sum is σ = 36542195988480. Its totient is φ = 2619537850368.

The previous prime is 10129704786631. The next prime is 10129704786731. The reversal of 10129704786720 is 2768740792101.

10129704786720 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 97 + 0 + 478 + 67 + 20 = 666.

It is a super-2 number, since 2×101297047867202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13104404254 + ... + 13104405026.

It is an arithmetic number, because the mean of its divisors is an integer number (47580984360).

Almost surely, 210129704786720 is an apocalyptic number.

10129704786720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10129704786720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18271097994240).

10129704786720 is an abundant number, since it is smaller than the sum of its proper divisors (26412491201760).

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

10129704786720 is a wasteful number, since it uses less digits than its factorization.

10129704786720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 10129704786720 in words is "ten trillion, one hundred twenty-nine billion, seven hundred four million, seven hundred eighty-six thousand, seven hundred twenty".