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2868887294320 = 245291236589351
BaseRepresentation
bin101001101111110111000…
…000100001000101110000
3101011021002200120201120211
4221233313000201011300
5334000440121404240
610033540523113504
7414161462434615
oct51576700410560
911137080521524
102868887294320
11a067630a4383
123a4014672894
1317a6c5279458
149cbd7b4250c
154e95dd89bea
hex29bf7021170

2868887294320 has 40 divisors (see below), whose sum is σ = 6900168584160. Its totient is φ = 1107984057600.

The previous prime is 2868887294263. The next prime is 2868887294321. The reversal of 2868887294320 is 234927888682.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868887294321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618292356 + ... + 618296995.

It is an arithmetic number, because the mean of its divisors is an integer number (172504214604).

Almost surely, 22868887294320 is an apocalyptic number.

2868887294320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2868887294320 is an abundant number, since it is smaller than the sum of its proper divisors (4031281289840).

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

2868887294320 is a wasteful number, since it uses less digits than its factorization.

2868887294320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236589393 (or 1236589387 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 2868887294320 in words is "two trillion, eight hundred sixty-eight billion, eight hundred eighty-seven million, two hundred ninety-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 1236589351 2473178702 4946357404 6182946755 9892714808 12365893510 19785429616 24731787020 35861091179 49463574040 71722182358 98927148080 143444364716 179305455895 286888729432 358610911790 573777458864 717221823580 1434443647160 2868887294320