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30100040412 = 22313229511801
BaseRepresentation
bin11100000010000110…
…100010101011011100
32212200201112111000120
4130002012202223130
5443121102243122
621454444154540
72113623056601
oct340206425334
985621474016
1030100040412
1111846762962
125a00538a50
132ab9021100
14165784a6a8
15bb27da75c
hex7021a2adc

30100040412 has 72 divisors (see below), whose sum is σ = 78674203440. Its totient is φ = 8942169600.

The previous prime is 30100040381. The next prime is 30100040491. The reversal of 30100040412 is 21404000103.

It is a junction number, because it is equal to n+sod(n) for n = 30100040391 and 30100040400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197089 + ... + 314712.

It is an arithmetic number, because the mean of its divisors is an integer number (1092697270).

Almost surely, 230100040412 is an apocalyptic number.

It is an amenable number.

30100040412 is an abundant number, since it is smaller than the sum of its proper divisors (48574163028).

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

30100040412 is a wasteful number, since it uses less digits than its factorization.

30100040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511863 (or 511848 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30100040412 its reverse (21404000103), we get a palindrome (51504040515).

The spelling of 30100040412 in words is "thirty billion, one hundred million, forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 169 174 338 348 377 507 676 754 1014 1131 1508 2028 2262 4524 4901 9802 14703 19604 29406 58812 511801 1023602 1535403 2047204 3070806 6141612 6653413 13306826 14842229 19960239 26613652 29684458 39920478 44526687 59368916 79840956 86494369 89053374 172988738 178106748 192948977 259483107 345977476 385897954 518966214 578846931 771795908 1037932428 1157693862 2315387724 2508336701 5016673402 7525010103 10033346804 15050020206 30100040412