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88380505382399 = 834012803947351
BaseRepresentation
bin10100000110000110110000…
…101000001101110111111111
3102120221002112101020121112222
4110012012300220031313333
543041011233334214044
6511545235455315555
724421165212406016
oct2406066050156777
9376832471217488
1088380505382399
1126184a64238a5a
129ab489851bbbb
133a41327307a09
1417b78d42a7a7d
15a33ea6aa98ee
hex5061b0a0ddff

88380505382399 has 16 divisors (see below), whose sum is σ = 89700471270144. Its totient is φ = 87066770160000.

The previous prime is 88380505382387. The next prime is 88380505382401. The reversal of 88380505382399 is 99328350508388.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88380505382399 is a prime.

It is a super-2 number, since 2×883805053823992 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88380505382329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92818574 + ... + 93765924.

It is an arithmetic number, because the mean of its divisors is an integer number (5606279454384).

Almost surely, 288380505382399 is an apocalyptic number.

88380505382399 is a deficient number, since it is larger than the sum of its proper divisors (1319965887745).

88380505382399 is a wasteful number, since it uses less digits than its factorization.

88380505382399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950638.

The product of its (nonzero) digits is 447897600, while the sum is 71.

The spelling of 88380505382399 in words is "eighty-eight trillion, three hundred eighty billion, five hundred five million, three hundred eighty-two thousand, three hundred ninety-nine".

Divisors: 1 83 401 2803 33283 232649 947351 1124003 78630133 93292249 379887751 2655424853 31530683333 220400262799 1064825366053 88380505382399