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30572509470 = 2351729736353
BaseRepresentation
bin11100011110010000…
…110111100100011110
32220220122120101201120
4130132100313210132
51000103030300340
622013402551410
72131421020446
oct343620674436
986818511646
1030572509470
1111a69425958
125b12808566
132b62b86cb9
1416a04b7126
15bde0164d0
hex71e43791e

30572509470 has 96 divisors (see below), whose sum is σ = 78749743968. Its totient is φ = 7593787392.

The previous prime is 30572509463. The next prime is 30572509477. The reversal of 30572509470 is 7490527503.

It is an interprime number because it is at equal distance from previous prime (30572509463) and next prime (30572509477).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30572509477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 822814 + ... + 859166.

It is an arithmetic number, because the mean of its divisors is an integer number (820309833).

Almost surely, 230572509470 is an apocalyptic number.

30572509470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30572509470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39374871984).

30572509470 is an abundant number, since it is smaller than the sum of its proper divisors (48177234498).

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

30572509470 is a wasteful number, since it uses less digits than its factorization.

30572509470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36494 (or 36477 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 30572509470 in words is "thirty billion, five hundred seventy-two million, five hundred nine thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 97 102 170 194 255 289 291 485 510 578 582 867 970 1445 1455 1649 1734 2890 2910 3298 4335 4947 8245 8670 9894 16490 24735 28033 36353 49470 56066 72706 84099 109059 140165 168198 181765 218118 280330 363530 420495 545295 618001 840990 1090590 1236002 1854003 3090005 3526241 3708006 6180010 7052482 9270015 10506017 10578723 17631205 18540030 21012034 21157446 31518051 35262410 52530085 52893615 59946097 63036102 105060170 105787230 119892194 157590255 179838291 299730485 315180510 359676582 599460970 899191455 1019083649 1798382910 2038167298 3057250947 5095418245 6114501894 10190836490 15286254735 30572509470