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212601531315253 = 1721934787796247
BaseRepresentation
bin110000010101110000100110…
…110000001011010000110101
31000212202111201021000002110211
4300111300212300023100311
5210331230414004042003
62032055443431145421
762531645065210153
oct6025604660132065
91025674637002424
10212601531315253
1161817891a0a543
121ba17726815271
139182313943a62
143a6dd7cdbc3d3
15198a3c14b096d
hexc15c26c0b435

212601531315253 has 24 divisors (see below), whose sum is σ = 227061028982592. Its totient is φ = 199016961183744.

The previous prime is 212601531315241. The next prime is 212601531315259. The reversal of 212601531315253 is 352513135106212.

It is not a de Polignac number, because 212601531315253 - 245 = 177417159226421 is a prime.

It is a super-2 number, since 2×2126015313152532 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212601531315259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266606376 + ... + 267402622.

It is an arithmetic number, because the mean of its divisors is an integer number (9460876207608).

Almost surely, 2212601531315253 is an apocalyptic number.

It is an amenable number.

212601531315253 is a deficient number, since it is larger than the sum of its proper divisors (14459497667339).

212601531315253 is a wasteful number, since it uses less digits than its factorization.

212601531315253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801261 (or 801244 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 212601531315253 in words is "two hundred twelve trillion, six hundred one billion, five hundred thirty-one million, three hundred fifteen thousand, two hundred fifty-three".

Divisors: 1 17 193 289 3281 4787 55777 81379 796247 923891 1383443 13536199 15706147 153675671 230115383 267004499 2612486407 3811634389 44412268919 64797784613 735645437077 1101562338421 12505972430309 212601531315253