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72150007150 = 25213199557789
BaseRepresentation
bin100001100110001111…
…0011011110101101110
320220020020222010020001
41003030132123311232
52140230400212100
653051213014514
75132641641034
oct1031436336556
9226206863201
1072150007150
1128664886291
1211b96a8443a
136a5a9c3c30
1436c639c554
151d24254d6a
hex10cc79bd6e

72150007150 has 48 divisors (see below), whose sum is σ = 145248516000. Its totient is φ = 26506085760.

The previous prime is 72150007147. The next prime is 72150007151. The reversal of 72150007150 is 5170005127.

It is a super-2 number, since 2×721500071502 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150007151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149545 + ... + 408244.

It is an arithmetic number, because the mean of its divisors is an integer number (3026010750).

Almost surely, 272150007150 is an apocalyptic number.

72150007150 is an abundant number, since it is smaller than the sum of its proper divisors (73098508850).

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

72150007150 is a wasteful number, since it uses less digits than its factorization.

72150007150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558013 (or 558008 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 72150007150 in words is "seventy-two billion, one hundred fifty million, seven thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 199 325 398 650 995 1990 2587 4975 5174 9950 12935 25870 64675 129350 557789 1115578 2788945 5577890 7251257 13944725 14502514 27889450 36256285 72512570 111000011 181281425 222000022 362562850 555000055 1110000110 1443000143 2775000275 2886000286 5550000550 7215000715 14430001430 36075003575 72150007150