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31029527104 = 269722272
BaseRepresentation
bin11100111001100000…
…010000001001000000
32222002111112022001121
4130321200100021000
51002022024331404
622131010242024
72145640425412
oct347140201100
988074468047
1031029527104
11121833a4a84
12601b886314
132c0676cc34
1417050809b2
15c191dde54
hex739810240

31029527104 has 63 divisors (see below), whose sum is σ = 62490832473. Its totient is φ = 15287175168.

The previous prime is 31029527101. The next prime is 31029527129. The reversal of 31029527104 is 40172592013.

It is a happy number.

The square root of 31029527104 is 176152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13933441600 + 17096085504 = 118040^2 + 130752^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31029527104.

It is not an unprimeable number, because it can be changed into a prime (31029527101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 136693839 + ... + 136694065.

Almost surely, 231029527104 is an apocalyptic number.

31029527104 is the 176152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31029527104

31029527104 is an abundant number, since it is smaller than the sum of its proper divisors (31461305369).

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

31029527104 is an frugal number, since it uses more digits than its factorization.

31029527104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 31029527104 in words is "thirty-one billion, twenty-nine million, five hundred twenty-seven thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 97 194 227 388 454 776 908 1552 1816 3104 3632 6208 7264 9409 14528 18818 22019 37636 44038 51529 75272 88076 103058 150544 176152 206116 301088 352304 412232 602176 704608 824464 1409216 1648928 2135843 3297856 4271686 4998313 8543372 9996626 17086744 19993252 34173488 39986504 68346976 79973008 136693952 159946016 319892032 484836361 969672722 1939345444 3878690888 7757381776 15514763552 31029527104