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170340257140 = 225731071090387
BaseRepresentation
bin1001111010100100010…
…0100000110101110100
3121021200022020122011121
42132221010200311310
510242324101212030
6210130410513324
715210122203324
oct2365104406564
9537608218147
10170340257140
11662716a8419
122901a735844
13130a85ab781
14835cd29284
15466e65c47a
hex27a9120d74

170340257140 has 48 divisors (see below), whose sum is σ = 366003997632. Its totient is φ = 66574607616.

The previous prime is 170340257107. The next prime is 170340257141. The reversal of 170340257140 is 41752043071.

It is a junction number, because it is equal to n+sod(n) for n = 170340257096 and 170340257105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170340257141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388974 + ... + 701413.

It is an arithmetic number, because the mean of its divisors is an integer number (7625083284).

Almost surely, 2170340257140 is an apocalyptic number.

170340257140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170340257140 is an abundant number, since it is smaller than the sum of its proper divisors (195663740492).

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

170340257140 is a wasteful number, since it uses less digits than its factorization.

170340257140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090576 (or 1090574 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 170340257140 in words is "one hundred seventy billion, three hundred forty million, two hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 107 146 214 292 365 428 535 730 1070 1460 2140 7811 15622 31244 39055 78110 156220 1090387 2180774 4361548 5451935 10903870 21807740 79598251 116671409 159196502 233342818 318393004 397991255 466685636 583357045 795982510 1166714090 1591965020 2333428180 8517012857 17034025714 34068051428 42585064285 85170128570 170340257140