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161070471120 = 24351351625151
BaseRepresentation
bin1001011000000010001…
…1000101011111010000
3120101202021111201022110
42112000203011133100
510114333020033440
6201554511105320
714431322262156
oct2260043053720
9511667451273
10161070471120
1162345099a39
1227272212240
131225bc7bba0
147b1db673d6
1542ca93e080
hex25808c57d0

161070471120 has 80 divisors (see below), whose sum is σ = 537727583232. Its totient is φ = 39648115200.

The previous prime is 161070471109. The next prime is 161070471127. The reversal of 161070471120 is 21174070161.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161070471127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25809456 + ... + 25815695.

Almost surely, 2161070471120 is an apocalyptic number.

161070471120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161070471120 is an abundant number, since it is smaller than the sum of its proper divisors (376657112112).

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

161070471120 is a wasteful number, since it uses less digits than its factorization.

161070471120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51625180 (or 51625174 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The spelling of 161070471120 in words is "one hundred sixty-one billion, seventy million, four hundred seventy-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 51625151 103250302 154875453 206500604 258125755 309750906 413001208 516251510 619501812 671126963 774377265 826002416 1032503020 1239003624 1342253926 1548754530 2013380889 2065006040 2478007248 2684507852 3097509060 3355634815 4026761778 4130012080 5369015704 6195018120 6711269630 8053523556 10066904445 10738031408 12390036240 13422539260 16107047112 20133808890 26845078520 32214094224 40267617780 53690157040 80535235560 161070471120