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1151920030 = 25198277331
BaseRepresentation
bin100010010101000…
…1110011110011110
32222021112121012211
41010222032132132
54324342420110
6310145351034
740355105302
oct10452163636
92867477184
101151920030
11541257628
1228193847a
1315485bcb1
14acdb5d02
156b1de98a
hex44a8e79e

1151920030 has 32 divisors (see below), whose sum is σ = 2185522560. Its totient is φ = 435929760.

The previous prime is 1151920027. The next prime is 1151920031. The reversal of 1151920030 is 300291511.

It is a super-3 number, since 3×11519200303 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151919983 and 1151920010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151920031) 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, 153465 + ... + 160795.

It is an arithmetic number, because the mean of its divisors is an integer number (68297580).

Almost surely, 21151920030 is an apocalyptic number.

1151920030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151920030 is a deficient number, since it is larger than the sum of its proper divisors (1033602530).

1151920030 is a wasteful number, since it uses less digits than its factorization.

1151920030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1151920030 is about 33939.9474071484. The cubic root of 1151920030 is about 1048.2723000980.

The spelling of 1151920030 in words is "one billion, one hundred fifty-one million, nine hundred twenty thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 827 1654 4135 7331 8270 14662 15713 31426 36655 73310 78565 139289 157130 278578 696445 1392890 6062737 12125474 30313685 60627370 115192003 230384006 575960015 1151920030