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31404454500153 = 372213635744899
BaseRepresentation
bin1110010001111111010110…
…10110101101011100111001
311010012020101102121121102010
413020333223112231130321
513104012310323001103
6150443001321200133
76420616441564200
oct710775326553471
9133166342547363
1031404454500153
11a008610942229
123632488330049
13146a572b7b917
147a7dab41a237
15396d7e03a903
hex1c8feb5ad739

31404454500153 has 12 divisors (see below), whose sum is σ = 48708949837200. Its totient is φ = 17945402571432.

The previous prime is 31404454500143. The next prime is 31404454500161. The reversal of 31404454500153 is 35100545440413.

It is not a de Polignac number, because 31404454500153 - 212 = 31404454496057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31404454500113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106817872303 + ... + 106817872596.

It is an arithmetic number, because the mean of its divisors is an integer number (4059079153100).

Almost surely, 231404454500153 is an apocalyptic number.

It is an amenable number.

31404454500153 is a deficient number, since it is larger than the sum of its proper divisors (17304495337047).

31404454500153 is a wasteful number, since it uses less digits than its factorization.

31404454500153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213635744916 (or 213635744909 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 31404454500153 its reverse (35100545440413), we get a palindrome (66504999940566).

The spelling of 31404454500153 in words is "thirty-one trillion, four hundred four billion, four hundred fifty-four million, five hundred thousand, one hundred fifty-three".

Divisors: 1 3 7 21 49 147 213635744899 640907234697 1495450214293 4486350642879 10468151500051 31404454500153