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172423642006650 = 23521149490946711
BaseRepresentation
bin100111001101000110000001…
…111011101100010001111010
3211121111112120001221220012010
4213031012001323230101322
5140044442104323203100
61410414154433430350
751214124405016426
oct4715060173542172
9747445501856163
10172423642006650
114aa37501923a51
1217408a34a0b3b6
137529630ac7098
1430814c5177b86
1514e0204515750
hex9cd181eec47a

172423642006650 has 24 divisors (see below), whose sum is σ = 427610632176864. Its totient is φ = 45979637868400.

The previous prime is 172423642006613. The next prime is 172423642006669. The reversal of 172423642006650 is 56600246324271.

It is a happy number.

172423642006650 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172423642006650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574745473206 + ... + 574745473505.

It is an arithmetic number, because the mean of its divisors is an integer number (17817109674036).

Almost surely, 2172423642006650 is an apocalyptic number.

172423642006650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172423642006650 is an abundant number, since it is smaller than the sum of its proper divisors (255186990170214).

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

172423642006650 is a wasteful number, since it uses less digits than its factorization.

172423642006650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149490946726 (or 1149490946721 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 172423642006650 in words is "one hundred seventy-two trillion, four hundred twenty-three billion, six hundred forty-two million, six thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 1149490946711 2298981893422 3448472840133 5747454733555 6896945680266 11494909467110 17242364200665 28737273667775 34484728401330 57474547335550 86211821003325 172423642006650