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45905826045649 = 1091132131852259
BaseRepresentation
bin10100111000000010010000…
…11101000101111011010001
320000112112221221120000010111
422130001020131011323101
522004110112431430044
6241344502332401321
712445405110126223
oct1234011035057321
9200475857500114
1045905826045649
1113699608049789
125194a34316241
131c7cb931486cb
14b49bd4cd4413
155491b1190b34
hex29c048745ed1

45905826045649 has 8 divisors (see below), whose sum is σ = 45982686990240. Its totient is φ = 45829028810400.

The previous prime is 45905826045643. The next prime is 45905826045661. The reversal of 45905826045649 is 94654062850954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45905826045649 - 211 = 45905826043601 is a prime.

It is a super-4 number, since 4×459058260456494 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45905826045643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14484919 + ... + 17367340.

It is an arithmetic number, because the mean of its divisors is an integer number (5747835873780).

Almost surely, 245905826045649 is an apocalyptic number.

It is an amenable number.

45905826045649 is a deficient number, since it is larger than the sum of its proper divisors (76860944591).

45905826045649 is a wasteful number, since it uses less digits than its factorization.

45905826045649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31854671.

The product of its (nonzero) digits is 373248000, while the sum is 67.

The spelling of 45905826045649 in words is "forty-five trillion, nine hundred five billion, eight hundred twenty-six million, forty-five thousand, six hundred forty-nine".

Divisors: 1 1091 1321 1441211 31852259 34750814569 42076834139 45905826045649