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11551520402044 = 227412554300073
BaseRepresentation
bin1010100000011000110001…
…0001010010101001111100
31111220022111022120222200121
42220012030101102221330
53003230003210331134
640322410055504324
72301366305225530
oct250061421225174
944808438528617
1011551520402044
113753a77134a77
1213669189880a4
1365a3c42c820c
142bd14cdbdbc0
151507353abab4
hexa818c452a7c

11551520402044 has 12 divisors (see below), whose sum is σ = 23103040804144. Its totient is φ = 4950651600864.

The previous prime is 11551520402003. The next prime is 11551520402047. The reversal of 11551520402044 is 44020402515511.

11551520402044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551520402047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206277150009 + ... + 206277150064.

Almost surely, 211551520402044 is an apocalyptic number.

11551520402044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11551520402044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11551520402044 is a wasteful number, since it uses less digits than its factorization.

11551520402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412554300084 (or 412554300082 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 11551520402044 its reverse (44020402515511), we get a palindrome (55571922917555).

The spelling of 11551520402044 in words is "eleven trillion, five hundred fifty-one billion, five hundred twenty million, four hundred two thousand, forty-four".

Divisors: 1 2 4 7 14 28 412554300073 825108600146 1650217200292 2887880100511 5775760201022 11551520402044