Search a number
-
+
26129042994488 = 237466590053473
BaseRepresentation
bin1011111000011101001000…
…10100110111010100111000
310102111220121221011101102012
411330032210110313110320
511411044240001310423
6131323303332225052
75334522020625650
oct574164424672470
9112456557141365
1026129042994488
1183642a0651175
122b1bb9776b188
131176c5c1829b5
1466491c39b360
15304a22b45078
hex17c3a4537538

26129042994488 has 16 divisors (see below), whose sum is σ = 55990806416880. Its totient is φ = 11198161283328.

The previous prime is 26129042994487. The next prime is 26129042994497. The reversal of 26129042994488 is 88449924092162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26129042994487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233295026681 + ... + 233295026792.

It is an arithmetic number, because the mean of its divisors is an integer number (3499425401055).

Almost surely, 226129042994488 is an apocalyptic number.

26129042994488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26129042994488 is an abundant number, since it is smaller than the sum of its proper divisors (29861763422392).

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

26129042994488 is a wasteful number, since it uses less digits than its factorization.

26129042994488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466590053486 (or 466590053482 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 68.

The spelling of 26129042994488 in words is "twenty-six trillion, one hundred twenty-nine billion, forty-two million, nine hundred ninety-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 466590053473 933180106946 1866360213892 3266130374311 3732720427784 6532260748622 13064521497244 26129042994488