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1012101230 = 257107163829
BaseRepresentation
bin111100010100110…
…111000001101110
32121112110001212202
4330110313001232
54033044214410
6244232501502
734036501310
oct7424670156
92545401782
101012101230
1147a3396a8
12242b4a892
131318b628a
14985bb7b0
155dcc1ca5
hex3c53706e

1012101230 has 64 divisors (see below), whose sum is σ = 2116938240. Its totient is φ = 341241984.

The previous prime is 1012101179. The next prime is 1012101257. The reversal of 1012101230 is 321012101.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1220456 + ... + 1221284.

It is an arithmetic number, because the mean of its divisors is an integer number (33077160).

Almost surely, 21012101230 is an apocalyptic number.

1012101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012101230 is an abundant number, since it is smaller than the sum of its proper divisors (1104837010).

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

1012101230 is a wasteful number, since it uses less digits than its factorization.

1012101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1012101230 is about 31813.5384702802. The cubic root of 1012101230 is about 1004.0175807623.

Adding to 1012101230 its reverse (321012101), we get a palindrome (1333113331).

The spelling of 1012101230 in words is "one billion, twelve million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 107 163 214 326 535 749 815 829 1070 1141 1498 1630 1658 2282 3745 4145 5705 5803 7490 8290 11410 11606 17441 29015 34882 58030 87205 88703 122087 135127 174410 177406 244174 270254 443515 610435 620921 675635 887030 945889 1220870 1241842 1351270 1891778 3104605 4729445 6209210 9458890 14458589 28917178 72292945 101210123 144585890 202420246 506050615 1012101230