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30535140400 = 2452237146747
BaseRepresentation
bin11100011100000010…
…010100010000110000
32220211001020211222221
4130130002110100300
51000013443443100
622005550010424
72130455260642
oct343402242060
986731224887
1030535140400
1111a4a321a26
125b021a6a14
132b58201b1b
14169954a892
15bdaad401a
hex71c094430

30535140400 has 120 divisors (see below), whose sum is σ = 77630102784. Its totient is φ = 11518214400.

The previous prime is 30535140371. The next prime is 30535140401. The reversal of 30535140400 is 404153503.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30535140401) 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, 629827 + ... + 676573.

Almost surely, 230535140400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30535140400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38815051392).

30535140400 is an abundant number, since it is smaller than the sum of its proper divisors (47094962384).

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

30535140400 is a wasteful number, since it uses less digits than its factorization.

30535140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46859 (or 46848 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 30535140400 its reverse (404153503), we get a palindrome (30939293903).

The spelling of 30535140400 in words is "thirty billion, five hundred thirty-five million, one hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 71 80 92 100 115 142 184 200 230 284 355 368 400 460 568 575 710 920 1136 1150 1420 1633 1775 1840 2300 2840 3266 3550 4600 5680 6532 7100 8165 9200 13064 14200 16330 26128 28400 32660 40825 46747 65320 81650 93494 130640 163300 186988 233735 326600 373976 467470 653200 747952 934940 1075181 1168675 1869880 2150362 2337350 3319037 3739760 4300724 4674700 5375905 6638074 8601448 9349400 10751810 13276148 16595185 17202896 18698800 21503620 26552296 26879525 33190370 43007240 53104592 53759050 66380740 76337851 82975925 86014480 107518100 132761480 152675702 165951850 215036200 265522960 305351404 331903700 381689255 430072400 610702808 663807400 763378510 1221405616 1327614800 1526757020 1908446275 3053514040 3816892550 6107028080 7633785100 15267570200 30535140400