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1970542135485 = 35571121062927
BaseRepresentation
bin11100101011001101011…
…101101100100010111101
320222101022110200021200000
4130223031131230202331
5224241132241313420
64105130552424513
7262236604534110
oct34531535544275
96871273607600
101970542135485
1169a77a733210
12279aa26a8139
13113a8a5b7c01
146b536448577
15363d1c91690
hex1cacd76c8bd

1970542135485 has 96 divisors (see below), whose sum is σ = 4416137736192. Its totient is φ = 818926562880.

The previous prime is 1970542135477. The next prime is 1970542135517. The reversal of 1970542135485 is 5845312450791.

1970542135485 is a `hidden beast` number, since 1 + 9 + 7 + 0 + 542 + 13 + 5 + 4 + 85 = 666.

It is not a de Polignac number, because 1970542135485 - 23 = 1970542135477 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10437909 + ... + 10625018.

It is an arithmetic number, because the mean of its divisors is an integer number (46001434752).

Almost surely, 21970542135485 is an apocalyptic number.

1970542135485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1970542135485 is an abundant number, since it is smaller than the sum of its proper divisors (2445595600707).

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

1970542135485 is a wasteful number, since it uses less digits than its factorization.

1970542135485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062965 (or 21062953 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 1970542135485 in words is "one trillion, nine hundred seventy billion, five hundred forty-two million, one hundred thirty-five thousand, four hundred eighty-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 81 99 105 135 165 189 231 243 297 315 385 405 495 567 693 891 945 1155 1215 1485 1701 2079 2673 2835 3465 4455 6237 8505 10395 13365 18711 31185 93555 21062927 63188781 105314635 147440489 189566343 231692197 315943905 442321467 568699029 695076591 737202445 947831715 1158460985 1326964401 1621845379 1706097087 2085229773 2211607335 2843495145 3475382955 3980893203 4865536137 5118291261 6255689319 6634822005 8109226895 8530485435 10426148865 11942679609 14596608411 18767067957 19904466015 24327680685 25591456305 31278446595 35828038827 43789825233 56301203871 59713398045 72983042055 93835339785 131369475699 179140194135 218949126165 281506019355 394108427097 656847378495 1970542135485