Search a number
-
+
30743703100 = 225211101276721
BaseRepresentation
bin11100101000011101…
…111010111000111100
32221100120200221020101
4130220131322320330
51000430341444400
622042400130444
72135600110315
oct345035727074
987316627211
1030743703100
11120470231a0
125b60006a24
132b8c4966c6
1416b911b60c
15bee08056a
hex72877ae3c

30743703100 has 72 divisors (see below), whose sum is σ = 73499576976. Its totient is φ = 11068800000.

The previous prime is 30743703079. The next prime is 30743703101. The reversal of 30743703100 is 130734703.

It is a super-2 number, since 2×307437031002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30743703101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27261 + ... + 249460.

It is an arithmetic number, because the mean of its divisors is an integer number (1020827458).

Almost surely, 230743703100 is an apocalyptic number.

It is an amenable number.

30743703100 is an abundant number, since it is smaller than the sum of its proper divisors (42755873876).

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

30743703100 is a wasteful number, since it uses less digits than its factorization.

30743703100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276847 (or 276840 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 28.

The spelling of 30743703100 in words is "thirty billion, seven hundred forty-three million, seven hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 11110 22220 27775 55550 111100 276721 553442 1106884 1383605 2767210 3043931 5534420 6087862 6918025 12175724 13836050 15219655 27672100 27948821 30439310 55897642 60878620 76098275 111795284 139744105 152196550 279488210 304393100 307437031 558976420 614874062 698720525 1229748124 1397441050 1537185155 2794882100 3074370310 6148740620 7685925775 15371851550 30743703100