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252011112120201 = 37733134571216601
BaseRepresentation
bin111001010011001111101000…
…110100010011111110001001
31020001022000201201001100220210
4321103033220310103332021
5231012422224200321301
62251552150123111333
7104040126201021630
oct7123175064237611
91201260651040823
10252011112120201
117333134896a635
1224321537672549
13aa80713468c75
14463358d816517
151e205c2516ad6
hexe533e8d13f89

252011112120201 has 32 divisors (see below), whose sum is σ = 384569721969408. Its totient is φ = 143799083366400.

The previous prime is 252011112120199. The next prime is 252011112120221. The reversal of 252011112120201 is 102021211110252.

It is not a de Polignac number, because 252011112120201 - 21 = 252011112120199 is a prime.

It is a super-2 number, since 2×2520111121202012 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (252011112120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206535301 + ... + 207751901.

It is an arithmetic number, because the mean of its divisors is an integer number (12017803811544).

Almost surely, 2252011112120201 is an apocalyptic number.

252011112120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

252011112120201 is a deficient number, since it is larger than the sum of its proper divisors (132558609849207).

252011112120201 is a wasteful number, since it uses less digits than its factorization.

252011112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230801.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 252011112120201 its reverse (102021211110252), we get a palindrome (354032323230453).

The spelling of 252011112120201 in words is "two hundred fifty-two trillion, eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 7 21 733 2199 5131 13457 15393 40371 94199 282597 1216601 3649803 8516207 9863981 25548621 29591943 69047867 207143601 891768533 2675305599 6242379731 16371799657 18727139193 49115398971 114602597599 343807792797 12000529148581 36001587445743 84003704040067 252011112120201