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102101541421451 = 11134715191421131
BaseRepresentation
bin10111001101110001011110…
…000110111000000110001011
3111101111210220222021001012212
4113031301132012320012023
5101340312424100441301
61001052444532455335
730335410243402025
oct2715613606700613
9441453828231185
10102101541421451
112a595025394890
12b54bb6777a54b
1344c8198652840
141b2da53329015
15bc0d66eb44bb
hex5cdc5e1b818b

102101541421451 has 16 divisors (see below), whose sum is σ = 122503620008448. Its totient is φ = 83856644637600.

The previous prime is 102101541421409. The next prime is 102101541421457. The reversal of 102101541421451 is 154124145101201.

It is a cyclic number.

It is not a de Polignac number, because 102101541421451 - 26 = 102101541421387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101541421457) 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, 7595703845 + ... + 7595717286.

It is an arithmetic number, because the mean of its divisors is an integer number (7656476250528).

Almost surely, 2102101541421451 is an apocalyptic number.

102101541421451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102101541421451 is a deficient number, since it is larger than the sum of its proper divisors (20402078586997).

102101541421451 is a wasteful number, since it uses less digits than its factorization.

102101541421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15191421202.

The product of its (nonzero) digits is 6400, while the sum is 32.

Adding to 102101541421451 its reverse (154124145101201), we get a palindrome (256225686522652).

The spelling of 102101541421451 in words is "one hundred two trillion, one hundred one billion, five hundred forty-one million, four hundred twenty-one thousand, four hundred fifty-one".

Divisors: 1 11 13 47 143 517 611 6721 15191421131 167105632441 197488474703 713996793157 2172373221733 7853964724727 9281958311041 102101541421451