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1051200980 = 225142936781
BaseRepresentation
bin111110101010000…
…000110111010100
32201021000112122122
4332222000313110
54123101412410
6252150515112
735023026614
oct7652006724
92637015578
101051200980
1149a414945
12254065a98
13139a2611b
149d878a44
1562446e55
hex3ea80dd4

1051200980 has 24 divisors (see below), whose sum is σ = 2209126920. Its totient is φ = 420174720.

The previous prime is 1051200929. The next prime is 1051201003. The reversal of 1051200980 is 890021501.

It is a happy number.

1051200980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 86974276 + 964226704 = 9326^2 + 31052^2 .

It is a super-2 number, since 2×10512009802 = 2210047000705920800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10190 + ... + 46970.

It is an arithmetic number, because the mean of its divisors is an integer number (92046955).

Almost surely, 21051200980 is an apocalyptic number.

1051200980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051200980 is an abundant number, since it is smaller than the sum of its proper divisors (1157925940).

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

1051200980 is a wasteful number, since it uses less digits than its factorization.

1051200980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38219 (or 38217 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1051200980 is about 32422.2297197463. The cubic root of 1051200980 is about 1016.7837239877.

The spelling of 1051200980 in words is "one billion, fifty-one million, two hundred thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1429 2858 5716 7145 14290 28580 36781 73562 147124 183905 367810 735620 52560049 105120098 210240196 262800245 525600490 1051200980