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1030125550 = 25220602511
BaseRepresentation
bin111101011001100…
…111011111101110
32122210100210121011
4331121213133232
54102203004200
6250115055434
734345631326
oct7531473756
92583323534
101030125550
1148952a633
12248ba157a
1313555735c
149ab50286
15606825ba
hex3d6677ee

1030125550 has 12 divisors (see below), whose sum is σ = 1916033616. Its totient is φ = 412050200.

The previous prime is 1030125529. The next prime is 1030125553. The reversal of 1030125550 is 555210301.

It is a super-2 number, since 2×10301255502 = 2122317297525605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030125553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10301206 + ... + 10301305.

It is an arithmetic number, because the mean of its divisors is an integer number (159669468).

Almost surely, 21030125550 is an apocalyptic number.

1030125550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030125550 is a deficient number, since it is larger than the sum of its proper divisors (885908066).

1030125550 is a wasteful number, since it uses less digits than its factorization.

1030125550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20602523 (or 20602518 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1030125550 is about 32095.5690088211. The cubic root of 1030125550 is about 1009.9426657648.

Adding to 1030125550 its reverse (555210301), we get a palindrome (1585335851).

The spelling of 1030125550 in words is "one billion, thirty million, one hundred twenty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 20602511 41205022 103012555 206025110 515062775 1030125550