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1030129926 = 237174730697
BaseRepresentation
bin111101011001101…
…000100100000110
32122210101000121020
4331121220210012
54102203124201
6250115132010
734345650150
oct7531504406
92583330536
101030129926
11489532951
12248ba4006
13135559347
149ab51ad0
1560683a36
hex3d668906

1030129926 has 64 divisors (see below), whose sum is σ = 2546214912. Its totient is φ = 271107072.

The previous prime is 1030129861. The next prime is 1030129927. The reversal of 1030129926 is 6299210301.

It is a super-2 number, since 2×10301299262 = 2122335328881530952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030129927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18210 + ... + 48906.

It is an arithmetic number, because the mean of its divisors is an integer number (39784608).

Almost surely, 21030129926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030129926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273107456).

1030129926 is an abundant number, since it is smaller than the sum of its proper divisors (1516084986).

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

1030129926 is a wasteful number, since it uses less digits than its factorization.

1030129926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30773.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1030129926 is about 32095.6371801527. The cubic root of 1030129926 is about 1009.9440958503.

The spelling of 1030129926 in words is "one billion, thirty million, one hundred twenty-nine thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 7 14 17 21 34 42 47 51 94 102 119 141 238 282 329 357 658 714 799 987 1598 1974 2397 4794 5593 11186 16779 30697 33558 61394 92091 184182 214879 429758 521849 644637 1043698 1289274 1442759 1565547 2885518 3131094 3652943 4328277 7305886 8656554 10099313 10958829 20198626 21917658 24526903 30297939 49053806 60595878 73580709 147161418 171688321 343376642 515064963 1030129926