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193940956470 = 23510959309161
BaseRepresentation
bin1011010010011111001…
…0000010010100110110
3200112121002010101022210
42310213302002110312
511134142341101340
6225032323434250
720004015634032
oct2644762022466
9615532111283
10193940956470
1175282683108
1231706525986
1315399c4c911
14955b5031c2
1550a1577180
hex2d27c82536

193940956470 has 32 divisors (see below), whose sum is σ = 469728563040. Its totient is φ = 51243114240.

The previous prime is 193940956453. The next prime is 193940956541. The reversal of 193940956470 is 74659049391.

It is a super-2 number, since 2×1939409564702 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 193940956470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29651311 + ... + 29657850.

It is an arithmetic number, because the mean of its divisors is an integer number (14679017595).

Almost surely, 2193940956470 is an apocalyptic number.

193940956470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193940956470 is an abundant number, since it is smaller than the sum of its proper divisors (275787606570).

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

193940956470 is a wasteful number, since it uses less digits than its factorization.

193940956470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59309280.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 193940956470 in words is "one hundred ninety-three billion, nine hundred forty million, nine hundred fifty-six thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 59309161 118618322 177927483 296545805 355854966 593091610 889637415 1779274830 6464698549 12929397098 19394095647 32323492745 38788191294 64646985490 96970478235 193940956470