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121012468737444 = 2235274945288623
BaseRepresentation
bin11011100000111101101001…
…001101100110010110100100
3120212110200100000022221200000
4123200331221031212112210
5111330132013444044234
61105212205523421300
734326601533356334
oct3340755115462644
9525420300287600
10121012468737444
11356161108a5099
12116a503ab24830
13526a5719b755b
1421c506b46d0c4
15decc2a87c899
hex6e0f693665a4

121012468737444 has 72 divisors (see below), whose sum is σ = 317337388368000. Its totient is φ = 40322815174944.

The previous prime is 121012468737427. The next prime is 121012468737481. The reversal of 121012468737444 is 444737864210121.

121012468737444 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 1 + 2 + 468 + 73 + 74 + 44 = 666.

It is a super-2 number, since 2×1210124687374442 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19972284 + ... + 25316339.

Almost surely, 2121012468737444 is an apocalyptic number.

It is an amenable number.

121012468737444 is an abundant number, since it is smaller than the sum of its proper divisors (196324919630556).

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

121012468737444 is a wasteful number, since it uses less digits than its factorization.

121012468737444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45291391 (or 45291377 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 121012468737444 in words is "one hundred twenty-one trillion, twelve billion, four hundred sixty-eight million, seven hundred thirty-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 2749 5498 8247 10996 16494 24741 32988 49482 74223 98964 148446 222669 296892 445338 668007 890676 1336014 2672028 45288623 90577246 135865869 181154492 271731738 407597607 543463476 815195214 1222792821 1630390428 2445585642 3668378463 4891171284 7336756926 11005135389 14673513852 22010270778 44020541556 124498424627 248996849254 373495273881 497993698508 746990547762 1120485821643 1493981095524 2240971643286 3361457464929 4481943286572 6722914929858 10084372394787 13445829859716 20168744789574 30253117184361 40337489579148 60506234368722 121012468737444