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88401380685121 = 779209976159043
BaseRepresentation
bin10100000110011010001100…
…111001001011010101000001
3102121000002102012210212102001
4110012122030321023111001
543041332011423410441
6512003011133424001
724422534423506630
oct2406321471132501
9377002365725361
1088401380685121
11261928a6860959
129ab894363b001
133a432a313c84a
1417b891491b517
15a347c95c4731
hex50668ce4b541

88401380685121 has 16 divisors (see below), whose sum is σ = 102357755136000. Its totient is φ = 74777821614288.

The previous prime is 88401380685067. The next prime is 88401380685131. The reversal of 88401380685121 is 12158608310488.

It is a cyclic number.

It is not a de Polignac number, because 88401380685121 - 213 = 88401380676929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88401380685131) 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, 36918775 + ... + 39240268.

It is an arithmetic number, because the mean of its divisors is an integer number (6397359696000).

Almost surely, 288401380685121 is an apocalyptic number.

It is an amenable number.

88401380685121 is a deficient number, since it is larger than the sum of its proper divisors (13956374450879).

88401380685121 is a wasteful number, since it uses less digits than its factorization.

88401380685121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76161228.

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 88401380685121 in words is "eighty-eight trillion, four hundred one billion, three hundred eighty million, six hundred eighty-five thousand, one hundred twenty-one".

Divisors: 1 7 79 553 2099 14693 165821 1160747 76159043 533113301 6016564397 42115950779 159857831257 1119004818799 12628768669303 88401380685121