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42030353240 = 2351789694487
BaseRepresentation
bin100111001001001101…
…000100101101011000
311000111011112011112122
4213021031010231120
51142034232300430
631150344200412
73015360052001
oct471115045530
9130434464478
1042030353240
1116909047527
12818ba69108
133c6a8c6605
14206a0c81a8
15115ed92ee5
hex9c9344b58

42030353240 has 64 divisors (see below), whose sum is σ = 101256350400. Its totient is φ = 15645380608.

The previous prime is 42030353231. The next prime is 42030353269. The reversal of 42030353240 is 4235303024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286724 + ... + 407763.

It is an arithmetic number, because the mean of its divisors is an integer number (1582130475).

Almost surely, 242030353240 is an apocalyptic number.

42030353240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42030353240 is an abundant number, since it is smaller than the sum of its proper divisors (59225997160).

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

42030353240 is a wasteful number, since it uses less digits than its factorization.

42030353240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694604 (or 694600 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 42030353240 its reverse (4235303024), we get a palindrome (46265656264).

The spelling of 42030353240 in words is "forty-two billion, thirty million, three hundred fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 89 136 170 178 340 356 445 680 712 890 1513 1780 3026 3560 6052 7565 12104 15130 30260 60520 694487 1388974 2777948 3472435 5555896 6944870 11806279 13889740 23612558 27779480 47225116 59031395 61809343 94450232 118062790 123618686 236125580 247237372 309046715 472251160 494474744 618093430 1050758831 1236186860 2101517662 2472373720 4203035324 5253794155 8406070648 10507588310 21015176620 42030353240